def test_is_counting(self):
"""
test_init - makes sure letter counter initializes right
"""
lc = LetterCounter('a')
self.assertTrue(lc.is_counting('a'))
self.assertFalse(lc.is_counting('b'))
def test_append_twice(self):
lc = LetterCounter('a')
lc.append('b')
lc.append('b')
self.assertEqual(2, len(lc.letters))
self.assertEqual(1, lc.letters[1].count)
def test_append(self):
"""
test_append - make sure new non controlled letters append right onto LetterCounter.letters list
"""
lc = LetterCounter('a')
lc.append('b')
self.assertEqual(2, len(lc.letters))
self.assertEqual(1, lc.letters[1].count)
def test_init(self):
"""
test_init - makes sure letter counter initializes right
"""
lc = LetterCounter('a')
self.assertEqual('a', lc.letters[0].letter)
self.assertEqual(1, lc.letters[0].count)
def letter_counts(in_str):
if len(in_str) == 1:
lc = LetterCounter(in_str[0])
return lc.letters
elif len(in_str) >= 1:
lc = LetterCounter(in_str[0])
for l in in_str[1:]:
if lc.is_counting(l):
lc.increment(l)
else:
lc.append(l)
return lc.letters
# null input
return None
def test_increment_letter_not_under_control(self):
"""
test_increment_letter_not_under_control - make sure incrementing letter not under control doesn't affect letters
list
:return:
"""
lc = LetterCounter('a')
lc.append('b')
self.assertEqual(2, len(lc.letters))
self.assertEqual(1, lc.letters[1].count)
lc.increment('b')
self.assertEqual(2, lc.letters[1].count)
lc.increment('z')
self.assertEqual(2, len(lc.letters))
def test_increment(self):
"""
test_increment - make sure letter undercontrol count increments
"""
lc = LetterCounter('a')
lc.append('b')
self.assertEqual(2, len(lc.letters))
self.assertEqual(1, lc.letters[1].count)
lc.increment('b')
self.assertEqual(2, lc.letters[1].count)